Touch Panel Electrode Comprising Two or More First Electrode Patterns, and Two or More Second Electrode Patterns, Touch Panel, and Display Device

1. A touch panel electrode comprising: two or more first electrode patterns; and two or more second electrode patterns arranged as a different layer from the first electrode patterns, wherein the first electrode pattern and the second electrode pattern overlap each other being insulated with a distance of equal to or less than 150 μm the first electrode pattern and the second electrode pattern extend perpendicular to each other, each of the first electrode pattern and the second electrode pattern is a combination of a plurality of cells formed by thin metal wires, the first electrode pattern has narrowest portions arranged at regular intervals in a direction in which the first electrode pattern extends, each of the narrowest portions of the first electrode pattern is arranged as the same layer with the first electrode pattern, and the first electrode pattern overlaps with the second electrode pattern at at least one of the narrowest portions of the first electrode pattern, and the area of an overlapping portion between the first electrode pattern and the second electrode pattern is greater than 1 mm 2 and equal to or less than 4 mm 2 .

2. The touch panel electrode according to claim 1 , wherein among a plurality of cells of the second electrode pattern which are included in one overlapping portion and are arranged in a direction in which the first electrode pattern extends, a distance between a leading end of a cell that is located at one end and a leading end of a cell that is located at the other end is a first width of the overlapping portion along the first electrode pattern in a top view, among a plurality of cells of the first electrode pattern which are included in one overlapping portion and are arranged in a direction in which the second electrode pattern extends, a distance between a leading end of a cell that is located at one end and a leading end of a cell that is located at the other end is a second width of the overlapping portion along the second electrode pattern in a top view, and the area of the overlapping portion is the product of the first width and the second width.

3. The touch panel electrode according to claim 2 , wherein at least four cells are arranged within the first width, and at least four cells are arranged within the second width.

4. The touch panel electrode according to claim 1 , wherein, in the overlapping portion, the position of a plurality of cells forming the overlapping portion in the first electrode pattern deviates from a position of a plurality of cells forming the overlapping portion in the second electrode pattern in a top view.

5. The touch panel electrode according to claim 2 , wherein, in the overlapping portion, the position of a plurality of cells forming the overlapping portion in the first electrode pattern deviates from a position of a plurality of cells forming the overlapping portion in the second electrode pattern in a top view.

6. The touch panel electrode according to claim 4 , wherein cells forming the first electrode pattern and cells forming the second electrode pattern have the same size.

7. The touch panel electrode according to claim 1 , wherein the surface electrical resistance of the first electrode pattern and the surface electrical resistance of the second electrode pattern are equal to or greater than 0.1 ohms/square and equal to or less than 300 ohms/square.

8. The touch panel electrode according to claim 7 , wherein, in the first electrode pattern or the second electrode pattern with at least higher surface electrical resistance, the ends of the thin metal wires form a curved shape.

9. The touch panel electrode according to claim 1 , wherein a gap corresponding to at least the average diameter of the cells is formed between a portion other than the overlapping portion in the first electrode pattern and a portion other than the overlapping portion in the second electrode pattern in a top view.

10. The touch panel electrode according to claim 1 , wherein a gap that is equal to or greater than 200 μm is formed between a portion other than the overlapping portion in the first electrode pattern and a portion other than the overlapping portion in the second electrode pattern in a top view.

11. The touch panel electrode according to claim 1 , wherein a first dummy layer which is electrically insulated from the first electrode patterns is formed between the two adjacent first electrode patterns, and a second dummy layer which is electrically insulated from the second electrode patterns is formed between the two adjacent second electrode patterns.

12. A touch panel comprising: the touch panel electrode according to claim 1 .

13. A display device comprising: the touch panel according to claim 12 .

14. The touch panel electrode according to claim 1 , wherein the second electrode pattern has narrowest portions arranged at regular intervals in a direction in which the second electrode pattern extends, each of the narrowest portions of the second electrode pattern is arranged as the same layer with the second electrode pattern, and the second electrode pattern overlaps with the first electrode pattern at at least one of the narrowest portions of the second electrode pattern.

15. The touch panel electrode according to claim 1 , further comprising: a first ground line; wherein the first ground line is formed by a thin metal wire and surrounds outside the two or more first electrode patterns.